PQ40.2 owner's manual ©2001 analog and digital systems, inc. www.adst.
table of contents about this manual................................................................................................... features of your PowerPlate TM.................................................................................. warning and tips..................................................................................................... mounting locations................................................................................................. system planning...............
specifications amplifier section power output 4 about this manual PQ 40.2 (watts)1 4 channel 4 x 100 2 channel 2 x 300 To get the most from your a/d/s/ PowerPlateTM, we recommend that you have the installation performed by your qualified authorized a/d/s/ dealer. If this unit is installed by your dealer, we will extend the warranty to three years instead of the standard one year.
warnings and tips Always disconnect the battery ground wire before doing any work on your vehicle. Reconnect the cable only after the installation is complete and the wiring has been checked to make sure that there are no problems. If your radio features a code type security system, be sure you know the code before disconnecting the battery! Your a/d/s/ PowerPlate TM should be installed in 12V negative ground vehicles only.
troubleshooting symptom no output audio cycles on and off system planning possible cause low or no remote turn-on input action to take check remote turn-on voltage output at amplifier and correct as needed fuse blown check power wire integrity and reversed polarity, repair as needed and replace fuse power wires not connected ground connections and check power wire and repair or replace as needed audio input not connected or no output from source check input connections and signal integrity, repair
signal sources adjusting input sensitivity Due to the wide input level adjustment range, all a/d/s/ PowerPlatesTM can be driven with either a conventional preamplifier drive signal or the amplifier signal from a powered source unit. This makes the PowerPlateTM perfect for upgrading an OEM (Original Equipment Manufacturer) stereo system while retaining the factory installed radio. The input sensitivity setting is important to ensure proper performance, low noise levels, and maximum system reliability.
Constant bass circuit To mix sub-bass information into channels 1/2 and 3/4, select a low-pass crossover point, and use the level controls to set the level of sub-bass signal sent to channels 1/2 and 3/4. The throughput DIN connector allows easy access to Channels 1-4 inputs for routing to additional amplifiers in your system by using the optional AC202 (DIN to female RCA) or AC207 (DIN to male RCA) adapter.
System 2 – PQ40 used in 3-channel mode with high-pass main speakers and low-pass subwoofer. Note: Although shown as 2-channel, the source unit may be either 2 or 4-channel depending on the setting of the 2/4 channel switch. digital crossover frequency display To facilitate quicker system tuning, we have incorporated a digital display that shows the crossover frequency for each crossover section, including the lowpass crossover for the constant bass circuit.
Internal signal routing 2-channel/4-channel input switch – routes RCA input from channels 1/2 to channels 3/4. When the switch is engaged, channel 1 input is routed to both amplifier channels 1 and 3 with input channel 2 routed to amplifier channels 2 and 4. System 4 – PQ40 in 2-channel bridged mode. Commonly used for subwoofers but may also be used for full range, midbass or midrange applications depending on crossover mode and frequency setting. Optional: AC502 can be used in this mode.
System 6 – Two PQ40s, both set up as shown in system 3. One amp drives bi-amped midranges and tweeters with the second driving rear fill speakers and subwoofers. speaker connections for stereo configurations Minimum recommended impedance is 2 Ohm stereo. Speaker terminals accept up to AWG #12 speaker wire. speaker connections for bridged configurations Minimum recommended impedance is 4 Ohm when bridged. Speaker terminals accept up to 12 gauge speaker wire.
installation System 7 – Two PQ40s, both set up as in system 2. One amp drives front speakers and one subwoofer with the second amp driving rear speakers and one subwoofer. 1. Disconnect the battery ground cable. Reconnect the ground cable only after the installation is complete and the wiring has been checked to make sure that there are no problems. If your radio features a code type security system, be sure you know the code before disconnecting the battery! 2.
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